body {
            font-family: 'Poppins', sans-serif;
            background: linear-gradient(135deg, #ffffff, #f0f4f8);
            margin: 0;
            padding: 0;
            color: #333;
        }
h1, h2 {
    text-align: center;
    margin: 20px 0;
    color: #2c3e50;
    margin-top: 100px;
}
form {
    max-width: 700px;
    background: white;
    padding: 30px;
    border-radius: 12px;
    margin: 20px auto;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}
label {
    font-weight: 500;
    margin-bottom: 8px;
    display: block;
    color: #34495e;
}
input[type="number"] {
    width: 98%;
    padding: 12px;
    margin-bottom: 20px;
    border: 1px solid #ddd;
    border-radius: 8px;
    transition: all 0.3s ease;
    padding-right: 0;
}
input[type="number"]:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.2);
}
button {
    width: 100%;
    padding: 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    transition: all 0.3s ease;
}
button:hover {
    background-color: #0056b3;
}
.results {
    display: none;
    max-width: 700px;
    margin: 20px auto;
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
    text-align: center;
}
.results h2 {
    margin-bottom: 20px;
}
pre {
    background: #f8f9fa;
    padding: 20px;
    border-radius: 8px;
    text-align: left;
    overflow-x: auto;
}
button#reload {
    margin-top: 20px;
    background-color: #6c757d;
}
button#reload:hover {
    background-color: #5a6268;
}
form a {
    display: inline-block;
    margin: 20px 0 50px 0;
    font-size: 1.2rem;
    text-decoration: none;
    color: #007bff;
    font-weight: 500;
    padding: 5px 10px;
    border: 2px solid #007bff;
    border-radius: 8px;
    transition: all 0.3s ease;
}

a:hover {
    color: #fff;
    border-bottom: 2px solid #007bff;
    background-color: #007bff;
}